Morgan Stanley has been pretty pessimistic about oil prices in 2015, drawing comparisons with the some of the worst oil slumps of the past three decades. The current downturn could even rival the iconic price crash of 1986, analysts had warned—but definitely no worse.

New York City, Los Angeles, Honolulu: They're all places you would think would be popular destinations for Americans. So it might come as a surprise that these are among the cities U.S. residents are fleeing in droves. \